Stapler



FIG. 1 is a top perspective view of the stapler;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a plan view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof; and,

FIG. 9 is a cross-sectional view thereof along line 9-9 of FIG. 3. 

The ornamental design for a stapler, as shown and described. 